Alert archive / Iowa / 2007
Weather alerts in Iowa, April 2007
117 weather alerts in April 2007, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in April 2007. Tap one for its archive.
- Alerts
- 117
- Warnings
- 75
- Watches
- 12
- Advisories
- 16
- Busiest day
- April 3, 200773 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 8:05 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 86 more | 115 min |
| Apr 2, 9:02 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Webster, Wright | 43 min |
| Apr 2, 9:20 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 40 min |
| Apr 2, 9:22 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 46 more | 8 hr |
| Apr 2, 9:24 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 36 min |
| Apr 2, 9:28 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 32 min |
| Apr 2, 9:34 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 41 min |
| Apr 2, 9:41 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 34 min |
| Apr 2, 9:42 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 49 min |
| Apr 2, 9:45 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 45 min |
| Apr 2, 9:50 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 55 min |
| Apr 2, 9:56 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 64 min |
| Apr 2, 9:57 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 33 min |
| Apr 2, 9:59 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 46 min |
| Apr 2, 10:01 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 29 min |
| Apr 2, 10:02 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 43 min |
| Apr 2, 10:02 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 43 min |
| Apr 2, 10:20 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 40 min |
| Apr 2, 10:28 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 47 min |
| Apr 2, 10:33 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 42 min |
| Apr 2, 10:33 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 57 min |
| Apr 2, 10:36 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 54 min |
| Apr 2, 10:41 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 34 min |
| Apr 2, 10:44 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 46 min |
| Apr 2, 10:45 PM CDT | Severe Thunderstorm Warning | DVN | Buchanan, Delaware | 60 min |
| Apr 2, 10:47 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 43 min |
| Apr 2, 10:47 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 28 min |
| Apr 2, 10:49 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 41 min |
| Apr 2, 10:55 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 65 min |
| Apr 2, 10:56 PM CDT | Severe Thunderstorm Warning | DVN | Linn | 34 min |
| Apr 2, 10:58 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 47 min |
| Apr 2, 10:59 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 61 min |
| Apr 2, 11:19 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 56 min |
| Apr 2, 11:24 PM CDT | Flash Flood Warning | DVN | Delaware, Linn | 4 hr |
| Apr 2, 11:33 PM CDT | Mesoscale Discussion | SPC | Black Hawk, Bremer, Buchanan, Butler, Calhoun, Clayton and 17 more | 57 min |
| Apr 2, 11:34 PM CDT | Flash Flood Warning | DVN | Buchanan | 4 hr |
| Apr 2, 11:40 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Decatur and 11 more | 65 min |
| Apr 2, 11:57 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 33 min |
| Apr 2, 11:58 PM CDT | Flash Flood Warning | DVN | Dubuque, Jackson, Jones | 4 hr |
| Apr 2, 11:58 PM CDT | Flash Flood Warning | DVN | Dubuque, Jackson, Jones | 4 hr |
| Apr 3, 12:03 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 24 more | 7 hr |
| Apr 3, 1:01 AM CDT | Flash Flood Warning | DVN | Delaware | 3 hr |
| Apr 3, 1:08 AM CDT | Severe Thunderstorm Warning | OAX | Harrison | 22 min |
| Apr 3, 1:11 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 41 min |
| Apr 3, 1:19 AM CDT | Severe Thunderstorm Warning | OAX | Mills | 26 min |
| Apr 3, 1:27 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 49 more | 93 min |
| Apr 3, 1:38 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 37 min |
| Apr 3, 1:44 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford | 46 min |
| Apr 3, 2:13 AM CDT | Severe Thunderstorm Warning | DMX | Hardin | 47 min |
| Apr 3, 2:20 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 40 min |
| Apr 3, 2:22 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 24 more | 53 min |
| Apr 3, 2:23 AM CDT | Severe Thunderstorm Warning | DMX | Greene | 37 min |
| Apr 3, 2:27 AM CDT | Severe Thunderstorm Warning | DMX | Grundy | 33 min |
| Apr 3, 2:32 AM CDT | Severe Thunderstorm Warning | DMX | Polk | 43 min |
| Apr 3, 2:42 AM CDT | Flash Flood Warning | DVN | Buchanan, Delaware | 6 hr |
| Apr 3, 2:42 AM CDT | Flash Flood Warning | DVN | Buchanan, Delaware, Dubuque, Jackson, Jones | 6 hr |
| Apr 3, 3:04 AM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 41 min |
| Apr 3, 3:11 AM CDT | Severe Thunderstorm Warning | DMX | Clarke | 34 min |
| Apr 3, 3:27 AM CDT | Severe Thunderstorm Warning | DMX | Lucas | 48 min |
| Apr 3, 3:38 AM CDT | Severe Thunderstorm Warning | DMX | Marion | 37 min |
| Apr 3, 3:45 AM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 42 min |
| Apr 3, 3:56 AM CDT | Severe Thunderstorm Warning | DMX | Monroe | 49 min |
| Apr 3, 4:02 AM CDT | Severe Thunderstorm Warning | DMX | Mahaska | 43 min |
| Apr 3, 4:05 AM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 3 more | 55 min |
| Apr 3, 4:19 AM CDT | Severe Thunderstorm Warning | DVN | Johnson | 56 min |
| Apr 3, 4:19 AM CDT | Severe Thunderstorm Watch | SPC | Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more | 6 hr |
| Apr 3, 4:40 AM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 25 min |
| Apr 3, 4:44 AM CDT | Severe Thunderstorm Warning | DMX | Davis | 46 min |
| Apr 3, 9:12 AM CDT | Wind Advisory | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 7 hr |
| Apr 3, 10:05 AM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Ida, Plymouth, Woodbury | 6 hr |
| Apr 3, 2:05 PM CDT | Wind Advisory | DMX | Appanoose, Black Hawk, Boone, Bremer, Butler, Calhoun and 34 more | 17 hr |
| Apr 3, 2:08 PM CDT | Wind Advisory | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 26 hr |
| Apr 3, 2:30 PM CDT | Wind Advisory | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek | 16 hr |
| Apr 6, 11:46 AM CDT | Wind Advisory | FSD | Buena Vista, Clay, Dickinson, O'Brien, Osceola | 7 hr |
| Apr 9, 11:27 AM CDT | Snow Advisory | FSD | Buena Vista, Cherokee, Ida, Lyon, Plymouth, Sioux and 1 more | 52 hr |
| Apr 9, 2:26 PM CDT | Winter Storm Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 25 hr |
| Apr 10, 3:33 AM CDT | Snow Advisory | FSD | Clay, Dickinson, Osceola | 12 hr |
| Apr 10, 3:51 AM CDT | Winter Storm Watch | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 19 more | 12 hr |
| Apr 10, 7:44 AM CDT | Snow Advisory | DMX | Emmet, Kossuth, Palo Alto | 8 hr |
| Apr 10, 10:22 AM CDT | Winter Storm Watch | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 6 hr |
| Apr 10, 3:31 PM CDT | Heavy Snow Warning | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 23 hr |
| Apr 10, 3:51 PM CDT | Winter Storm Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 36 hr |
| Apr 10, 3:56 PM CDT | Snow and Blowing Snow Advisory | DMX | Audubon, Boone, Calhoun, Carroll, Crawford, Dallas and 7 more | 23 hr |
| Apr 10, 3:56 PM CDT | Winter Storm Warning | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 14 more | 23 hr |
| Apr 10, 4:03 PM CDT | Winter Storm Warning | DVN | Benton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more | 30 hr |
| Apr 10, 4:03 PM CDT | Winter Weather Advisory | DVN | Cedar, Clinton, Iowa, Johnson, Muscatine, Scott | 27 hr |
| Apr 10, 9:38 PM CDT | Snow Advisory | OAX | Harrison, Monona, Shelby | 14 hr |
| Apr 11, 7:30 AM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 19 more | 6 hr |
| Apr 11, 3:23 PM CDT | Winter Weather Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 9 more | 7 hr |
| Apr 21, 3:36 AM CDT | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 18 hr |
| Apr 21, 4:11 AM CDT | Wind Advisory | OAX | Harrison, Monona, Pottawattamie, Shelby | 15 hr |
| Apr 21, 5:34 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 25 min |
| Apr 21, 11:18 AM CDT | Wind Advisory | DMX | Audubon, Calhoun, Carroll, Cerro Gordo, Crawford, Emmet and 11 more | 9 hr |
| Apr 22, 9:06 AM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 19 min |
| Apr 22, 10:32 AM CDT | Severe Thunderstorm Warning | DMX | Adair | 29 min |
| Apr 22, 10:56 AM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 34 min |
| Apr 22, 10:57 AM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Page | 93 min |
| Apr 22, 12:07 PM CDT | Mesoscale Discussion | SPC | Adair, Allamakee, Benton, Black Hawk, Boone, Bremer and 55 more | 113 min |
| Apr 22, 1:17 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Appanoose, Benton, Black Hawk, Bremer, Buchanan and 52 more | 8 hr |
| Apr 22, 1:25 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 26 more | 95 min |
| Apr 22, 1:56 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 31 more | 7 hr |
| Apr 22, 2:53 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 37 min |
| Apr 22, 3:19 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 41 min |
| Apr 22, 3:48 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 27 min |
| Apr 22, 4:29 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 46 min |
| Apr 22, 5:25 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 35 min |
| Apr 22, 5:59 PM CDT | Mesoscale Discussion | SPC | Boone, Clarke, Dallas, Decatur, Dickinson, Humboldt and 6 more | 2 hr |
| Apr 22, 6:36 PM CDT | Mesoscale Discussion | SPC | Appanoose, Black Hawk, Bremer, Butler, Cerro Gordo, Chickasaw and 27 more | 114 min |
| Apr 24, 11:53 AM CDT | Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 40 more | 54 hr |
| Apr 24, 3:27 PM CDT | Flash Flood Watch | OAX | Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more | 13 hr |
| Apr 24, 8:42 PM CDT | Flash Flood Warning | DMX | Cass | 6 hr |
| Apr 24, 8:53 PM CDT | Flash Flood Warning | DMX | Adair, Guthrie | 3 hr |
| Apr 26, 3:23 AM CDT | Flood Watch | DVN | Cedar, Clinton, Des Moines, Dubuque, Henry, Iowa and 12 more | 11 hr |
| Apr 29, 3:52 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Buchanan, Butler, Cerro Gordo, Chickasaw and 10 more | 83 min |
| Apr 30, 1:58 PM CDT | Red Flag Warning | FSD | 5 hr | |
| Apr 30, 3:46 PM CDT | Mesoscale Discussion | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 25 more | 59 min |
| Apr 30, 4:44 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 5 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 61 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 14 |
| Flooding | |
| Flash Flood Warning | 9 |
| Flash Flood Watch | 1 |
| Flood Watch | 2 |
| Winter | |
| Heavy Snow Warning | 1 |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 3 |
| Snow Advisory | 4 |
| Snow and Blowing Snow Advisory | 1 |
| Winter Weather Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Delaware County18
- Dubuque County17
- Black Hawk County16
- Buchanan County16
- Franklin County16
- Grundy County16
- Hardin County16
- Jones County16
- Wright County16
- Jackson County16
- Bremer County15
- Butler County15
- Humboldt County15
- Linn County15
- Cerro Gordo County14
- Fayette County14
- Hamilton County14
- Webster County14
- Chickasaw County13
- Clayton County13
- Greene County13
- Hancock County13
- Sac County13
- Winnebago County13
- Worth County13
- Calhoun County12
- Floyd County12
- Harrison County12
- Howard County12
- Kossuth County12
- Marshall County12
- Mitchell County12
- Pocahontas County12
- Tama County12
- Boone County11
- Clinton County11
- Guthrie County11
- Ida County11
- Jasper County11
- Polk County11
59 more counties
- Poweshiek County11
- Story County11
- Woodbury County11
- Winneshiek County11
- Adair County10
- Audubon County10
- Benton County10
- Carroll County10
- Cass County10
- Crawford County10
- Dallas County10
- Decatur County10
- Fremont County10
- Iowa County10
- Johnson County10
- Madison County10
- Marion County10
- Mills County10
- Muscatine County10
- Page County10
- Palo Alto County10
- Pottawattamie County10
- Ringgold County10
- Scott County10
- Shelby County10
- Union County10
- Allamakee County10
- Buena Vista County9
- Cedar County9
- Clarke County9
- Emmet County9
- Lucas County9
- Mahaska County9
- Monroe County9
- Clay County8
- Davis County8
- Keokuk County8
- Monona County8
- Montgomery County8
- Wapello County8
- Warren County8
- Wayne County8
- Adams County7
- Appanoose County7
- Cherokee County7
- Jefferson County7
- Louisa County7
- Taylor County7
- Washington County7
- Des Moines County6
- Dickinson County6
- Henry County6
- Lee County6
- O'Brien County6
- Van Buren County6
- Sioux County6
- Plymouth County5
- Osceola County5
- Lyon County5
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.